docs: def log(self, lvl, msg, *args, **kwargs):
          """Both prints to stdout/stderr and the django.currencies logger"""
          logger.log(lvl, msg, *args, **kwargs)
  
          if lvl >= self.verbosity:
              if args:
                  fmsg = msg % args
              else:
                  fmsg = msg % kwargs
  
              if lvl >= logging.WARNING:
                  self.stderr.write(fmsg)
              else:
                  self.stdout.write(fmsg)